body {
  margin: 0;
  color: #3c3c3c;
  /* 去字体锯齿 */
  -webkit-font-smoothing: antialiased;
  /* 字体大小/行高/字体 */
  font: 12px/1.5 'Microsoft YaHei';
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
li {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

ul,
li,
div {
  /* 盒子内部绘制边框 */
  box-sizing: border-box;
  /* 兼容性  safari/mozailla/opera */
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
}

img {
  width: 100%;
}

/* 清除浮动 */
.clearfix::after {
  content: '';
  display: table;
  clear: both;
}

.cover {
  min-width: 1200px;
}

.student-album {
  width: 1200px;
  margin: 80px auto;
}

.student-album .album-title {
  height: 100px;
  text-align: center;
}

.student-album .album-title h1 {
  position: relative;
  height: 65px;
  font-size: 35px;
  color: #000;
  font-family: 'fzzzh';
}

.student-album .album-title h1::before,
.student-album .album-title h1::after {
  content: '';
  position: absolute;
  top: 25px;
  width: 50px;
  height: 2px;
  background-color: #000;
}

.student-album .album-title h1::before {
  left: 310px;
}

.student-album .album-title h1::after {
  right: 310px;
}

.student-album .album-title p {
  font-size: 20px;
}

.student-album .list-item {
  float: left;
  position: relative;
  width: 216px;
  height: 216px;
  margin: 30px 30px 0 0;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -o-border-radius: 50%;
  overflow: hidden;
}

.student-album .list-item:nth-child(5),
.student-album .list-item:nth-child(10) {
  margin-right: 0;
}

.student-album .list-item .mask {
  position: absolute;
  bottom: -60px;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  color: #fff;
  text-align: center;
  transition: bottom 0.2s ease-in-out;
}

.student-album .list-item:hover .mask {
  bottom: 0;
}
